Details about recording settings
Does problem occurs both for AVI and MP4 recordings? AVI - I don't try MP4 yet..
Does it occur for every game or only for a 1 title or a few? - Everygame recording + than 8min+-
Does problem occurs when recording to lower resolution (480p)? Yes
Does it occur when recording Windows desktop? Yes (I tried all the three options)

The recorded file slow down the video em some parts, 3 seconds can be 6 seconds. I can't convert with converter software, I can't edit because is impossible to watch in Sony Vegas.

Action v1.24.2.

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This is sad, Action is the best software ever, but I can't use anymore.......

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EDITED:
I never use MP4/MP4 AMDAPP because when I record with separate microphone audio, I can't import these files to Sony Vegas (only import audio, no vídeo). So I tried yesterday solve this problem in Sony Vegas downloading codecs and .dlls, I finally solved.

I tested 30min recording (MP4 AMP APP) gameplay and surprise, works properly !!!
I'll use this option right now until .AVI fix, because some games crash when I try record with AMD APP, maybe because I'm using the GPU.

I have problems recording sounds on several video games : Action! doesn't record every sound of the game
For example, in Max Payne 3, I hear all the sounds in my headset, but on the recorded video, I hear Max's voice, but not all the SFX, other voices and bruitage like steps, glass, etc...
I really don't understand why, I checked all of my settings and everything seems to be ok.

I see 86 posts to date, and no matter the config, they all have the same issue; audio sync problems. Has it been solved? Is it an upgrade issue? I'm running 1.24.1.0. I just purchased this software a few weeks ago, but if I had seen these posts beforehand, I would not have purchased it.

Please post the solution at the top level of this forum so people don't have to drill down and find it (if it exists) buried in some thread.